焊缝氢含量的测试分析表明，阵列式射流冲击热沉系统可以改善接头的残余应力分布，防止冷却水侵入焊缝。
The hydrogen contents investigations show that the FSW process with array jet impingement sink appaatus can prevent the joints form the effect of colding water.
在本区煤系地层底部有一酸性侵人岩体，该侵入岩体是引起本区煤变质的直接热源，它提供了褐煤向烟煤转化的热动力。
In the bottom of coal measures is an acidic intrusive body, it is direct heat source of metamorphism, and provided the conversion of lignite to bituminous coal with thermodynamic power.
滴定微量热测定t 4噬菌体与宿主细胞的相互作用，获得了T4噬菌体感染和侵入早期过程的热力学信息。
The interaction between T4 phage and host cells was determined by titration calorimetric method, and the early information of T4 phage infection and penetration were got.
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